Kinderkraft Xpand 2 i-Size High Back Booster SeatWe present XPAND 2 i Size a car seat that complies with the latest R129 i Size safety standard for children between 100 150 cm in height (approx. 3. 5 12 years old). With this product, the saying "growing with your child" has a whole new meaning. Thanks to the DUO EXPAND SYSTEM, you can adjust the height and width of the car seat simultaneously, ensuring a perfect fit for your growing child. The XPAND 2 i Size car seat also features additional safety